16954567812 has 432 divisors, whose sum is σ = 56363186880. Its totient is φ = 4416830208.

The previous prime is 16954567811. The next prime is 16954567813. The reversal of 16954567812 is 21876545961.

It is a happy number.

16954567812 is a `hidden beast` number, since 1 + 69 + 5 + 4 + 567 + 8 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (16954567811) and next prime (16954567813).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16954567811) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 86063698 + ... + 86063894.

It is an arithmetic number, because the mean of its divisors is an integer number (130470340).

Almost surely, 2^16954567812 is an apocalyptic number.

16954567812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16954567812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28181593440).

16954567812 is an abundant number, since it is smaller than the sum of its proper divisors (39408619068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16954567812 is a wasteful number, since it uses less digits than its factorization.

16954567812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 361 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 16954567812 in words is "sixteen billion, nine hundred fifty-four million, five hundred sixty-seven thousand, eight hundred twelve".